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778 results about "Rotary valve" patented technology
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Nucleic acid extraction and detection device and use method
PendingCN120966612ABioreactor/fermenter combinationsBiological substance pretreatmentsBiochemical engineeringRotary valve
According to the nucleic acid extraction and detection device and the use method, by forming a plurality of communicating holes and taking a rotary valve as a communicating medium, communication among functional chambers is achieved, then sample transfer is achieved, the whole transfer process is completed in an internally-closed environment, sample pollution is not caused, and the detection efficiency is improved. The rotating cover and the rotating valve rotate synchronously, and the rotating cover is also closed when the rotating valve is closed, so that the sealing performance of the cavity in the uniform mixing and reaction process is ensured, and the stability of a pre-stored reagent and the safety of the reaction process are ensured; the sample transfer step is reduced, the pollution risk is reduced, the whole process is completed only through manual operation without a power supply or other equipment, and the method can be used for household self-inspection or in areas with limited resources or even in extreme environments without power supply.
Owner:XI AN JIAOTONG UNIV
Method and system for efficiently and continuously removing VOC (Volatile Organic Compounds) of polypropylene material in energy-saving manner
The invention relates to an efficient and energy-saving system for continuously removing VOC (Volatile Organic Compounds) from a polypropylene material. The system comprises a, a feeding device; the ridge tower sequentially comprises a preheating section, a devolatilization section, a pre-cooling section and a cooling section from top to bottom, a middle rotary valve is arranged between the pre-cooling section and the cooling section, and the preheating section, the devolatilization section and the pre-cooling section are used for conducting preheating, devolatilization and pre-cooling treatment on the PP particles under the action of heated nitrogen; a feeding rotary valve is arranged at the top of the ridge tower, and a discharging rotary valve is arranged at the bottom of the ridge tower; the nitrogen generating device and the heater are respectively used for generating and heating nitrogen so as to provide hot nitrogen required by devolatilization treatment; a heating section fan is arranged between the nitrogen generating device and the heater; d, a cooling section fan is used for further cooling the pre-cooled PP particles; and e, a middle rotary valve and a discharging rotary valve. The VOC in the polypropylene granules is reduced to be less than 50ppm through nitrogen operation, and the odor grade is less than 4.0. Finally, the VOC content in the polypropylene is reduced, meanwhile, the odor grade is reduced, and the quality of the polypropylene resin is improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
Flow path switching device
ActiveUS12523309B2Operating means/releasing devices for valvesMultiple way valvesRotary valveElectric machinery
Disclosed is a flow path switching device including: a case including a first nozzle into which fluid is introduced, a second nozzle through which fluid is discharged, a plurality of inner outflow pipes through which fluid supplied from the first nozzle flows, a plurality of inner inflow pipes through which the fluid supplied to the second nozzle flows, and a flow path connection portion in which a space is formed to communicate the plurality of inner outflow pipes with the first nozzle or to communicate the plurality of inner inflow pipes with the second nozzle; a valve rotatably disposed in the space of the flow path connection portion, and having a first chamber connecting one of the plurality of inner inflow pipes and the first nozzle according to placement, and a second chamber connecting one of the plurality of inner outflow pipes and the second nozzle; and a motor disposed in one side of the valve and rotating the valve. Each of the first nozzle, the inner outflow pipe, and the flow path connection portion forms a flow path perpendicular to each other inside. A first chamber hole connecting the first chamber and a nozzle flow path formed inside the first nozzle is formed in the valve. A cross-sectional area of the nozzle flow path is reduced to a size corresponding to the first chamber hole from an inlet portion of the first nozzle towards the flow connection portion.
Owner:LG ELECTRONICS INC
Peritoneal drainage flushing device based on multi-dimensional parameter monitoring and negative pressure regulation and control system
The invention discloses a peritoneal drainage flushing device based on multi-dimensional parameter monitoring and a negative pressure regulation and control system, and belongs to the technical field of peritoneal drainage. The peritoneal drainage flushing device and negative pressure regulation and control system based on multi-dimensional parameter monitoring comprises a device support, a multi-channel rotary valve and two negative pressure pumps, a flow guide pipe and a backflow pipe are arranged between the two negative pressure pumps and the multi-channel rotary valve, and pipeline detection modules are installed on the flow guide pipe and the backflow pipe. The peritoneal drainage device solves the problems that an existing peritoneal drainage device is not ideal in treatment effect and affects the treatment effect when a drainage tube is blocked, early intervention is carried out by adjusting a negative pressure pump, a multi-channel rotary valve and a three-way electromagnetic valve, targeted treatment is automatically triggered at the early stage of complications through continuous and multi-dimensional monitoring, and the treatment effect is effectively improved. The tube blocking rate, the abdominal infection rate and the abdominal hypertension syndrome occurrence rate are remarkably reduced, the pain of a patient is relieved, the recovery time is shortened, and personalized and self-adaptive adjustment is carried out according to the physical state of the patient.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL
Full-range control type rotary cup exhaust valve for reciprocating compressor
ActiveCN116591935BPositive displacement pump componentsEfficient regulation technologiesExhaust valveRotary valve
A kind of reciprocating compressor full-range control type rotary cup exhaust valve, including valve seat, valve core, valve rod and the like components, valve core and valve seat all adopt V cup type structure, valve core and valve rod adopt integrated structure, are controlled by rotary motion driving device full range, set the motion law of valve core, valve rod, execute acceleration, deceleration, waiting and brake and the like motion instruction, realize rotary valve opening and closing, rotary friction is small, sealing performance is good, long-term use wear can be automatically compensated, flow coefficient is big, resistance coefficient is small, the effective flow area of valve core and valve seat is more than 2 times of conventional plane-shaped meshed intake valve;The present application also has the characteristics of no impact, long stay time when fully open, overcome the essential defects of the prior art meshed exhaust valve, such as large resistance loss, valve piece impact is serious;The present application can be used for the modification of existing meshed exhaust valve, and can also be used as a complete set of exhaust valve for new reciprocating compressor.
Owner:SHENYANG UNIVERSITY OF TECHNOLOGY
Rotary valve electric heating device and control method
PendingCN121143550AThermal insulationValve members for heating/coolingRotary valveTemperature difference
The invention relates to a rotary valve electric heating device and a control method. The control method of the rotary valve electric heating device comprises the steps that a first temperature signal of an electric heating plate and a second temperature signal of a rotary valve are obtained; filtering the first temperature signal and the second temperature signal to obtain a first filtering temperature and a second filtering temperature, and calculating a corresponding temperature difference value according to the first filtering temperature and the second filtering temperature; judging that the second filtering temperature is lower than a lower limit threshold of a preset target temperature interval, and judging that the second filtering temperature is higher than an upper limit threshold of the preset target temperature interval; judging whether the temperature difference value exceeds a temperature difference threshold, and judging whether the first filtering temperature exceeds a safety upper limit temperature; and switching on the power supply of the electric heating plate and switching off the power supply of the electric heating plate. The precision of temperature regulation and control is guaranteed, the temperature of the rotary valve shell is close to the process requirement range, and the stability and safety of the operation process are improved.
Owner:ZEPULIN SOLID MATERIAL TECH SHANGHAI +1
Safety knob assembly systems
The present technology relates to an automatically locking, releasable, safety knob assembly for a stove. The assembly includes a base with a locking notch. An adapter mates with the stove's valve stem and has a head, a tubular middle section, and an adapter base with a central aperture for receiving the valve stem. The knob includes a housing with a housing disk covering the base, an arm movement channel aligned with the locking notch in the locked configuration, and a central aperture for receiving the adapter head. The assembly further includes a sub-assembly with a slidable button allowing free rotation of the knob in the unlocked configuration, an automatic locking arm biased with the slidable button, and engagement with the button causing the arm to disengage from the locking notch and move in the arm movement channel, enabling the knob to freely rotate and rotate the valve stem.
Owner:RANGESAFE LLC
Distribution valve
A distribution valve includes a cylindrical valve body rotatably fitted into a valve main body having a first outlet, a second outlet, and an inlet, and a driver for rotating the valve body, and the distribution valve distributes fluid flowing from the inlet into the valve body to the first and second outlets. The valve body has a peripheral wall portion and a bottom surface portion that function as seal surface portions to close the first and second outlets and the inlet. The peripheral wall portion is formed with first and second opening portions configured to continuously change opening areas of the first and second outlets. The bottom surface portion is formed with a third opening portion configured to change an opening area of the inlet within a predetermined range. A valve seat member is arranged in the inlet, causing a seal portion to adhere to the bottom surface portion.
Owner:NORITZ CORP
Double-support rotary full-bore throttle valve and station switching method
The invention discloses a double-support rotary full-bore throttle valve and a station switching method. Through the core assembly composed of the actuator, the valve rod, the rotary valve element, the double-end bearing supports and the like, a stress model is optimized into a stable simply supported beam structure from a traditional cantilever beam structure, vibration caused by fluid impact is remarkably restrained, and the operation stability of the whole machine is enhanced. The rotary valve core is integrated with a variable-cross-section throttling molded surface, a large-diameter full-bore flow channel and a cut-off molded surface, so that the equipment not only can realize continuous adjustment of flow and pressure, but also can perform on-line blockage removal and pollution discharge by rotating and switching to a full-bore state under the condition of not closing an upstream valve and a downstream valve, and the maintenance process is greatly simplified. In addition, according to the design, the axial telescopic space is omitted through the rotary motion principle, a valve element sleeve protection structure is omitted through high stability, the equipment size and material consumption are effectively reduced, and the beneficial effects of being high in function integration degree, high in erosion resistance, long in service life and the like are achieved.
Owner:SOUTHWEST PETROLEUM UNIV
Rotary four-way arbitrary intercommunication valve and rotating method
The rotary four-way arbitrary intercommunication valve comprises a valve body and a valve element, and the valve element extends into the valve body and is in running fit with the valve body. And the valve core is used for switching the communication between any adjacent ports and the communication between the opposite ports every time the valve core rotates by 45 degrees in the valve body through the layered flow channel structure between 0 degree and 180 degrees. The four-way valve is composed of the valve body and the valve element, switching of any two-to-two communication among the four ports is flexibly controlled by rotating the angle of the valve element, mutual communication of the ports with specific flow direction combinations is supported, the function of dynamic random communication of the four ports is achieved, the sealing performance between the valve body and the valve element is improved, and the sealing performance of the valve body and the valve element is improved. The overall structural design is compact and simple, the characteristics of layered flow channels and high sealing performance are achieved, and the leakage rate is greatly reduced. The invention further discloses a rotating method for rotating the four-way arbitrary intercommunication valve.
Owner:SHAANXI ZHENGZE BIOTECHNOLOGY CO LTD
Eccentric rotary valve
The invention relates to the technical field of valves, in particular to an eccentric rotary valve which comprises a valve body, an upper valve rod, a lower valve rod rotationally arranged in the valve body and a valve element located in the valve body, the valve element is fixedly provided with an upper shaft diameter coaxially fixed to the upper valve rod and a lower shaft diameter coaxially fixed to the lower valve rod, and a valve seat and a limiting piece are arranged in the valve body; an upper stuffing box is arranged on the inner wall of the valve body, sealing stuffing is arranged on the inner wall of the valve body, an upper sliding bearing is jointly arranged on the peripheries, close to each other, of the upper shaft diameter of the upper valve rod and the upper shaft diameter of the valve element in a sleeving mode, and a stuffing pressing sleeve used for blocking a gap is fixedly arranged on the inner wall of an opening, facing the outside, of the upper stuffing box; the possibility that medium thrust borne by the valve element is conducted to the upper valve rod and the lower valve rod is effectively reduced, valve element position change caused by medium impact is greatly reduced, and the situation that the valve element deviates, and the valve rod additionally bears the medium thrust is avoided.
Owner:CHINA ZHIPENG AUTOMATIC CONTROL VALVE CO LTD
Hydraulic jacking scaffold moving device
The invention relates to the technical field of scaffolds, in particular to a hydraulic jacking scaffold moving device which comprises a scaffold body and symmetrically-arranged supporting moving devices, and each supporting moving device comprises a fixing sleeve, an inclined rod, a hydraulic cylinder, a supporting cushion table, a manual valve, a pedal, auxiliary wheels, an oil tank and other components. The oil tank is connected with the hydraulic cylinder through a main oil pipe, the main oil pipe is connected with a manual valve in series, a rotary valve seat of the manual valve is fixedly connected with a pedal and a supporting rod which are perpendicular to each other, and an auxiliary wheel is arranged at the tail end of the supporting rod; an electromagnetic valve is arranged at the front end of the branch oil pipe on the main oil pipe, and an energy storage piston rod is connected with a pedal through a pull rope. During operation, the pedal is treaded to control opening and closing of the manual valve, auxiliary wheel supporting and action of the energy storage oil cylinder in a linkage mode, efficient switching between stable supporting and flexible moving of the scaffold is achieved, external power is not needed, and the scaffold is suitable for multiple construction scenes.
Owner:ZCCC INT ENG CO LTD +1
Hygienic rotary valve
PendingUS20250377050A1Plug valvesOperating means/releasing devices for valvesFood industryGear wheel
A hygienic rotary valve is designed to meet the hygiene application requirements of handling powdered and granular materials in the food industry. The hygienic rotary valve is a material conveying device installed beneath a powdered and granular material silo, and enhances operational capabilities of the rotary valve by improving the flow rate of powdered and granular materials; providing viewing windows to view the internal state; simplifying the disassembly and assembly procedures (Easy Access) to reduce cleaning process time; implementing Clean-In-Place (CIP) and Steam-In-Place (SIP) processes. The hygienic rotary valve includes a valve body, guide rails, a gear motor, a side cover, a transmission shaft, an end cover, a rotor, a front door, and a device for blowing off adhered powdered and granular materials. In a dust-filled working environment, air purge protection is provided to prevent powdered and granular materials from invading the power transmission area.
Owner:CHEN KAO-SUNG
Shredder centrifugal separator
A centrifugal separator system separates particulate matter from an air stream produced by an industrial shredding machine. The system includes a housing having a cylindrical conical shape defining an interior chamber. An inlet positioned tangentially near the top of the housing introduces an air and particle mixture to create a vortex flow that centrifugally displaces heavier particles where they slide downward to discharge aperture. Clean air reverses direction and exits upward through a central top outlet connected to a HEPA filter for removing residual dust. A first silo directs is used to decelerate separated particles which are directed through a rotary valve providing an airlock to maintain pressures for optimizing centrifugal separation of particles. A second silo receives a bag holder for ease of securing a collection bag. The system provides efficient separation of particles with minimal maintenance and allows continuous operation.
Owner:PHISTON TECH
System flow path for solid phase extraction and method of use
This invention relates to a system flow path for solid-phase extraction and its application method. The system flow path is characterized by a pump inlet port located below a rotary valve, several solvent inlet ports on the circumference of the rotary valve, a solvent outlet port and a waste liquid port on the circumference of the rotary valve, a gas path system connecting the solvent outlet port of the rotary valve to the solvent interface of the sample loader, and a sample loader comprising a valve core and a valve body. The top of the valve body is connected to a sample vial, and a spray needle is also located at the top of the valve body. The valve core is located within the valve body. The sample flow channel is connected to a guide tube, and a membrane adapter is located below the guide tube. The membrane adapter is connected to a collection docking point, which is connected to a dehydration device and a collection vial. The collection docking point is also connected to a flow path switching system. This invention features a compact structure, anti-clogging and anti-cross-contamination advantages, and spray cleaning of the sample vial ensures complete sample loading, improving experimental recovery rates. The online filtration and dehydration functions enable full-process automation.
Owner:BEIJING LABTECH
CAR-T plasmid extraction micro-fluidic chip and application thereof
PendingCN121006269ABioreactor/fermenter combinationsBiological substance pretreatmentsRotary valveProcess engineering
The invention provides a CAR-T plasmid extraction micro-fluidic chip and application thereof, the plasmid extraction micro-fluidic chip comprises a total chamber module and a peripheral chamber module, the peripheral chamber module comprises a first chamber module, a second chamber module and a waste liquid storage chamber module; the main chamber module is provided with a rotary valve, and the rotary valve rotates the main chamber module, so that the main chamber module is communicated with the first chamber module, the second chamber module and the waste liquid storage chamber module respectively. According to the method, all functional chamber modules in the plasmid extraction process are integrated, fluid driving and control are carried out through a rotary valve and capillary force on the chip, and automatic operation of all steps in the plasmid extraction process on the chip is achieved; according to the CAR-T plasmid extraction chip, multi-step tedious operation in plasmid extraction can be achieved in the same chip, samples are saved, the integration level, stability, portability and practicability are improved, simplicity and rapidness are achieved, operation can be standardized, and therefore the stability and efficiency of CAR-T plasmid preparation are improved.
Owner:BEIJING BOE TECH DEV CO LTD +1
Pull type water stop valve
ActiveCN224107753UOperating means/releasing devices for valvesLift valveRotary valveStructural engineering
The utility model discloses a pull type water stop valve which comprises a valve element rod and a valve sleeve which are coaxially arranged inside and outside. The valve element rod is sleeved with a positioning rotor capable of rotating in the circumferential direction, a sealing groove capable of abutting against the end of the valve element rod in a sealed mode is formed in the end, corresponding to a water outlet of the valve element rod, of the valve sleeve, a water outlet channel is formed in the bottom wall of the sealing groove, and the end, provided with the water outlet, of the valve element rod can be matched with or separated from the sealing groove in a sealed mode by pulling the valve element rod in the axial direction of the valve sleeve. Opening and closing are directly controlled by axially pulling the valve element rod, the operation stroke is shorter, more operation time is saved compared with a traditional rotary valve, and the emergency water stopping requirement is met. Clear gear feedback can be provided through the meshing design of the positioning rotor and the tooth grooves, and misoperation is avoided. And through multiple sealing and modular design, the core defects of an existing water stop valve are systematically overcome, and the water stop valve has remarkable advantages in the aspects of operation efficiency, sealing reliability, maintenance cost and the like.
Owner:徐震雷
Rotary valve with water cooling structure
ActiveCN224257567ULighting and heating apparatusDomestic cooling apparatusThermal dilatationImpeller
The utility model discloses a rotary valve with a water cooling structure, which relates to the technical field of rotary valves and is characterized by comprising a rotary valve body. The coolable impeller mechanism is rotationally mounted in the middle of the interior of the rotary valve body and is provided with a rotary feeding and circulating cooling structure; the cooling medium input mechanism is mounted and connected to the left end of the rotary valve body through a screw, is connected to the peripheral side of the left end of the coolable impeller mechanism in a sleeving manner, and is provided with a structure for receiving and inputting a cooling medium; the cooling medium discharging mechanism is installed and connected to the right end of the rotary valve body through screws and connected to the peripheral side of the right end of the coolable impeller mechanism in a sleeving mode, and the cooling medium discharging mechanism is of a structure capable of discharging a cooling medium and has the technical effects that the impeller is directly cooled through cooling medium circulation, and the problem of uneven thermal expansion is avoided; and the structure is compact, media can be recycled, and the device is suitable for high-temperature conveying scenes of powder and particle materials.
Owner:常州绿青环保科技有限公司
Cooling module
A cooling module includes: a manifold housing made of resin and including an accommodation portion having an opening and at least a part of a flow path allowing a fluid to flow therethrough; a rotary valve accommodated in the accommodation portion via the opening; and a cover body made of resin and resin-bonded to the manifold housing to cover the opening of the accommodation portion and the part of the flow path.
Owner:AISIN CORP
Shock wave dispersion rotary valve
ActiveCN224064605UEliminate shock pulseStable output pressureServomotor componentsFluid-pressure actuator componentsShock waveRotary valve
The utility model discloses a shock wave discrete rotary valve, which relates to the technical field of hydraulic valve banks and comprises a valve body, a valve core, a shock wave buffer and a sensor, the valve body is provided with an oil inlet runner, a recovery channel and an oil outlet runner; the valve element comprises a rotating shaft, a rotary disc and a plurality of rotary cups. The rotary disc is fixedly connected to the middle of the rotating shaft, and the multiple rotating cups are connected to the periphery of the rotary disc at equal intervals. The sensor is arranged on the valve body; the axial leads of the oil inlet flow channel and the oil outlet flow channel are collinear and are tangent to the movement track of the center of the revolving cup; a recovery channel is formed in the tangent position in the radial direction of the valve element. A shock wave buffer is arranged at the bottom of the recovery channel. Oil liquid containing shock waves impacts the revolving cup through the oil inlet flow channel, the shock waves rapidly expand in the revolving cup and are splashed out, the oil liquid enters the recovery channel under the centrifugal effect of revolving of the revolving cup, shock wave energy is absorbed by the shock wave buffer, and part of the remaining oil liquid in the revolving cup is thrown into the oil outlet flow channel under the impact rotation and centrifugal effect of the revolving cup. And one part enters the next impact cycle along with the rotation of the revolving cup.
Owner:WEIFANG JIATENG HYDRAULIC TECH CO LTD
A PSA decarbonation system with a multi-channel rotary valve
The application discloses a PSA decarburization system with a multi-channel rotary valve and belongs to the technical field of decarburization systems. The PSA decarburization system comprises a bottom plate and a plurality of adsorption towers, and further comprises gas conveying pipes, a valve body, a valve plate, a limiting and fixing assembly and a mistaken collision protection assembly. The gas conveying pipes are communicated with and installed on each adsorption tower. The valve body is installed on the bottom plate through a mounting seat, and the other ends of the gas conveying pipes are communicated with the side surface of the valve body. The valve plate is arranged in the valve body through a rotary adjusting assembly. The limiting and fixing assembly is arranged on the rotary adjusting assembly and is configured to fix the valve plate after the valve plate is adjusted. The mistaken collision protection assembly is arranged on the rotary adjusting assembly. The PSA decarburization system with the multi-channel rotary valve can simultaneously close or open the gas conveying pipes of the plurality of adsorption towers through the gas conveying pipes, the valve body, the valve plate, the limiting and fixing assembly and the mistaken collision protection assembly.
Owner:TANGSHAN GREEN POWER ENVIRONMENTAL PROTECTION TECH CO LTD
Powder alternative fuel system
The invention relates to the technical field of energy processing, and provides a powder alternative fuel system, which comprises a crushing bin; a supporting part is arranged at the bottom of the crushing bin, a mounting frame is arranged on one side of the crushing bin, a crushing bin is arranged on the surface of the mounting frame, two sets of symmetrically-arranged crushing parts are arranged on the inner wall of the crushing bin, and a driving part matched with the crushing parts is arranged on one face of the crushing bin. According to the device, raw materials are thoroughly and homogeneously crushed into fine powder through combination of a double-roller type coarse crusher and a high-speed crusher, a heating pipe and a temperature control system are innovatively integrated in a crushing bin, online drying can be performed according to the humidity of the raw materials, and the fuel heat value is increased. The processed powder fuel is stably and directly conveyed to a combustor in an anti-blocking and anti-backfire mode through a spiral-rotary valve-wind power jet mechanical and pneumatic two-stage closed conveying chain, and full-process automatic and closed operation from raw materials to ignition points is achieved.
Owner:贵定海螺盘江水泥有限责任公司
A zinc powder waste residue recycling device
The device is mainly used for zinc powder waste slag recycling treatment device of thermal zinc spraying, establishes an integrated waste slag treatment system, adopts high-efficiency electromagnetic induction heating technology, precise temperature control mechanism, combination design of rotary valve airlock and high-precision filter screen, breaks through the defects of low separation efficiency and gas leakage of traditional separation equipment, realizes gas-solid separation, introduces a high-temperature high-pressure reaction kettle for carbon dioxide green conversion process, and cooperatively realizes the recycling of zinc resources (recycled zinc can be directly used for thermal zinc spraying) and the environmental protection treatment of carbon dioxide (urea is generated), greatly improves the economy and sustainability.
Owner:WENDENG GUANGRUN METAL PROD CO LTD
Medical intelligent molecular sieve oxygen generator
PendingCN120939705ADispersed particle filtrationTransportation and packagingMolecular sieveOxygen tank
The invention discloses a medical intelligent molecular sieve oxygen generator, and relates to the technical field of oxygen generators, the medical intelligent molecular sieve oxygen generator comprises a shell, a first connecting channel, a power supply connecting port, an air compressor, a rotary valve, a molecular sieve cylinder, an oxygen tank, an air pump and a sealing assembly, the first connecting channel is arranged on the outer wall of the shell, and the power supply connecting port is arranged on the outer wall of the shell; an air compressor is installed on the inner wall of the shell, and a rotary valve is installed at one end of the air compressor. A first connecting rod moves to drive a first clamping head to move, the first clamping head moves to drive a first spring to move, the first spring moves to enable the first clamping head to move out of a second opening, a machine door is installed on the outer wall of the shell, a molecular sieve cylinder is moved to move after the machine door is opened, and the molecular sieve cylinder moves to move out of a first clamping groove to be replaced. The molecular sieve barrel and the first clamping groove are sealed through the sealing gasket, and the function that the intelligent molecular sieve oxygen generator can rapidly replace the molecular sieve and shorten the oxygen generation maintenance time is achieved.
Owner:JIANGSU JIAYU SPECIAL EQUIP CO LTD
Butterfly valve
The utility model belongs to the technical field of valves. The utility model provides a butterfly valve which comprises a valve body provided with a valve cavity. A mounting opening is formed in the top of the valve body; the lengthened valve cover is arranged above the mounting opening in a covering mode, a mounting hole is formed in the valve cover, and the mounting hole and the mounting opening are coaxially arranged; the valve rod extends into the valve cavity through the mounting hole and the mounting opening; the valve plate is arranged on an outer shaft of the valve rod and rotates around the valve rod, and the valve plate is located in the valve cavity; and the bearing is arranged between the valve rod and the valve cover. The bearing is arranged between the valve rod and the lengthened valve cover, namely the bearing is arranged in the middle of the valve rod, so that the friction between the valve rod and the lengthened valve cover can be reduced, the operation torque is reduced, the butterfly valve is opened and closed more easily, additional lubrication is not needed, and the maintenance workload is reduced; meanwhile, noise in the butterfly valve operation and running process can be reduced, and the working environment is improved.
Owner:SICHUAN CHENGDU AIR SEPERATION PLANT VALVE
Pressure reducing valve structure
Owner:ZHONGSHAN KAIJIANG HARDWARE PROD CO LTD
Top-loaded rotary valve with elliptical sealing
A top-loaded rotary valve with elliptical sealing is provided. The valve includes a valve cartridge with a lower cylinder portion having a first flow opening, an upper cylinder portion having a second flow opening, a rotor, and a gasket positioned between respective ends of the lower cylinder portion and the upper cylinder portion. The rotor includes a stem and a disc configured to rotate within the cartridge. The lower cylinder portion and the upper cylinder portion are mated to the gasket along a plane that defines an ellipse along the respective cylinder ends. The disc has perimeter that is similar to the ellipse, and the rotor rotates between a closed position in which the elliptical perimeter of the disc is coincident with the gasket to prevent flow between the flow openings and an open position that permits flow between the flow openings.
Owner:NEPTUNE TECH GROUP INC
Quick docking sealing device for water pipeline of underground roadway of mine
The utility model belongs to underground pipeline butt joint technical field relates to a kind of mining underground roadway water pipeline quick butt joint sealing device, including pipe body, the left and right sides of pipe body are all fixedly connected butt joint pipe one, the inside of butt joint pipe one is slidably connected butt joint pipe two, butt joint pipe two is fixedly connected conveying pipe away from the side of pipe body, and four butt joint mechanisms of ring distribution are movably connected in the inside of butt joint pipe one;Butt joint mechanism includes splicing block, and splicing block is slidably connected in the middle part of the inside of butt joint pipe one, and the middle part of the back of four splicing block radian is all fixedly connected pull plate, and the two sides of the back of four splicing block radian close to pull plate are all fixedly connected compression spring one, and the periphery of butt joint pipe two is provided with four splicing slots of ring distribution. The device uses splicing block oblique design cooperation compression spring one, realizes pipeline quick butt joint;Through sealing ring three, sealing ring two and sealing ring one in the rotating process of rotary valve plate always keep close adhesion, effectively prevent water leakage.
Owner:TAIYUAN IRON & STEEL (GRP) CO LTD
A multi-functional glass glaze filter mixer
ActiveCN120695509BShaking/oscillating/vibrating mixersTransportation and packagingThermodynamicsRotary valve
This application relates to the field of glaze pretreatment technology in glass processing, and discloses a multifunctional glass glaze filter mixer. It includes a filter mixer control panel, a lifting frequency control spring, a rotary valve, a glass glaze adding funnel, a switch valve, a stirring head, a screen replacement valve, a glass glaze tank, a filter mixer support, and a filter mixer fixed balance bar. The glass glaze tank is mounted on the filter mixer support, and a lid is threaded onto the tank. The lid has a glass glaze adding funnel, and the switch valve is located in the channel of the glass glaze adding funnel. The filter mixer control panel is mounted on the filter mixer support and includes at least an up button, a down button, and a rotary button. The lifting frequency control spring is located above the lid. This application provides an integrated, automated, multifunctional device that achieves efficient filtration during the mixing process, while simultaneously solving problems related to clogging, contamination, and parameter adjustment.
Owner:FAR EAST PHOTOVOLTAIC TECHNOLOGY (GUANGDONG) CO LTD
Rotary valve
The utility model discloses a rotary valve which comprises a valve cover, a top cover, a limiting piece and a valve rod assembly. The top cover is fixedly installed on the valve cover and is coaxial with the valve cover, and a sealing cavity is defined between the top cover and the valve cover; the limiting piece is fixedly mounted on the top cover and is partially arranged in the sealing cavity; the valve rod assembly is rotationally installed in the valve deck in the axial direction and partially located in the sealing cavity. In the first state, the valve rod assembly abuts against the limiting piece, and the valve rod assembly is locked in the preset rotating direction. And in the second state, the valve rod assembly is separated from the limiting piece, and the valve rod assembly freely rotates. According to the rotary valve, the limiting piece can be arranged in the sealing cavity, corrosion of the limiting piece is avoided, limiting is accurate, and circulation performance when the rotary valve is opened and sealing performance when the rotary valve is closed are ensured.
Owner:SUZHOU XINYUNFAN MARINE EQUIPMENT CO LTD